Implementation: Easy, Validation: Easy
Dust
Wet dust - run without dust
Intake port
Blocked - check visualy
Filter
Clugged
Remove the filter
Dust bag
prevents air flow
REmove and check
Circuit breaker
Defected - replace
Implementation: Not Easy, Validation: Easy
Rotating brash
Resists rotation of the motor - remove belt
Electric motor
Take too much electricity
Check the temperature
Implementation: Not Easy, Validation: Not Easy
Fan
Is not moving free
Visual inspection